Cryptosporidium (thing)

The organism known as cryptosporidium is more accurately known as Crytposporidium parvum, a protozoan parisite which affects not only humans, but dogs, cats and other mammals. Other species in the genus infect fish, birds, amphibians and reptiles. Other than parvum, the speciesmuris, baileyi, serpentis, meleagridis, wrairi, nasorum, saurophilum, felis, andersoni and molnari exist. Some of these species are able to cross taxonomic barriers, such as C. felis, which can infect both humans and cats.